23443401042340 has 24 divisors (see below), whose sum is σ = 49231233817920. Its totient is φ = 9377342963808.

The previous prime is 23443401042287. The next prime is 23443401042343. The reversal of 23443401042340 is 4324010434432.

It is a junction number, because it is equal to n+sod(n) for n = 23443401042296 and 23443401042305.

It is not an unprimeable number, because it can be changed into a prime (23443401042343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18542091 + ... + 19766029.

It is an arithmetic number, because the mean of its divisors is an integer number (2051301409080).

Almost surely, 2^{23443401042340} is an apocalyptic number.

23443401042340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23443401042340 is an abundant number, since it is smaller than the sum of its proper divisors (25787832775580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23443401042340 is a wasteful number, since it uses less digits than its factorization.

23443401042340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181651 (or 2181649 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 23443401042340 its reverse (4324010434432), we get a palindrome (27767411476772).

The spelling of 23443401042340 in words is "twenty-three trillion, four hundred forty-three billion, four hundred one million, forty-two thousand, three hundred forty".